Home / 5,260.64-7,259.72-2,902.86

Finding the Fourth Proportional to 5,260.64, 7,259.72 and 2,902.86

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Solution

The fourth proportional to 5,260.64, 7,259.72 and 2,902.86 is: 4,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.64 : 7,259.72 = 2,902.86 : x
  2. Step 2: Convert to fraction form
    5,260.64/7,259.72 = 2,902.86/x
  3. Step 3: Cross multiply
    5,260.64x = 7,259.72 × 2,902.86
  4. Step 4: Simplify right side
    5,260.64x = 21,073,936.28
  5. Step 5: Solve for x
    x = 21,073,936.28/5,260.64
  6. Step 6: Final answer
    x = 4,005.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.